TS/SCI System Administrator - Mission-Critical Cyber Ops

Paychex Inc.; Annapolis (MD); On-site; USD 90,000 - 150,000; Full time

Job summary

Markesman Group is seeking a System Administrator to join our team at Annapolis Junction, Maryland. This role requires a TS/SCI clearance with FS Poly and strong systems management and cybersecurity skills to secure mission-critical systems for global initiatives.

You will maintain system configurations, incident resolution, and regulatory compliance while coordinating with network administrators and users to ensure seamless operations.

Qualifications

• 6 years relevant experience with Bachelors in related field; 4 years relevant experience with Masters in related field; or High School Diploma or equivalent and 10 years relevant experience.
• Active TS/SCI clearance with FS Poly.
• Experience in systems administration and network security within mission-critical environments.

Responsibilities

• Administer day-to-day operations, including configurations, upgrades, and patches of servers and networks.
• Enforce security protocols and monitor system vulnerabilities in a classified environment.
• Quickly diagnose issues and drive effective resolutions to minimize downtime.
• Work with cross-functional teams and maintain accurate system documentation.

Skills

System administration

Cybersecurity

Incident resolution

Regulatory compliance

Team collaboration

Education

Bachelor's degree in related field

Master's degree in related field

High School Diploma or equivalent

Tools

CompTIA Security+

CompTIA CySA+

GIAC Security Essentials (GSEC)

CCNA Security

CISSP Associate

GICSP

Job description

Markesman Group is seeking a System Administrator to join our team at Annapolis Junction, Maryland. This role requires a TS/SCI clearance with FS Poly and strong systems management and cybersecurity skills to secure mission-critical systems for global initiatives.

You will maintain system configurations, incident resolution, and regulatory compliance while coordinating with network administrators and users to ensure seamless operations.